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SCOTT NO
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C95 AP40
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DATE OF ISSUE
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1970 Mrz 20
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FACE VALUE
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150f
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COUNTRY
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People's Republic of Congo
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DESCRIPTION
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The stamp shows Dioptase gemstone. It is so named because of its crystal structure. Its density is 3.28 to 3.35. It is emerald green or blue green.
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VARIATION DESCRIPTION
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The stamp shows Dioptase gemstone. It is so named because of its crystal structure. Its density is 3.28 to 3.35. It is emerald green or blue green.
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GEMSTONE
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Dioptase
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VARIATION
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Proof, Envelope
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